DATA I O CORP

Ticker: DAIO CUSIP: 237690102 Class: Stock

OXFORD ASSET MANAGEMENT LLP's Holding History (CIK: 0001438284)

Note: Option positions (PUT/CALL) are excluded.

Q1 2019

Shares 20,129 Value ($000) $112 Avg Close $5.88 Range $5.00 - $6.88

Q4 2018

Shares 50,162 Value ($000) $251 Avg Close $4.94 Range $4.27 - $5.65

Q3 2018

Shares 79,915 Value ($000) $419 Avg Close $5.62 Range $4.88 - $6.75

Q2 2018

Shares 135,004 Value ($000) $852 Avg Close $7.06 Range $6.04 - $7.97

Q1 2018

Shares 137,782 Value ($000) $1,025 Avg Close $9.95 Range $6.75 - $12.52

Q4 2017

Shares 155,501 Value ($000) $1,868 Avg Close $11.84 Range $8.53 - $16.49

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	20,129	$112	$5.88	$5.00 - $6.88
Q4 2018	50,162	$251	$4.94	$4.27 - $5.65
Q3 2018	79,915	$419	$5.62	$4.88 - $6.75
Q2 2018	135,004	$852	$7.06	$6.04 - $7.97
Q1 2018	137,782	$1,025	$9.95	$6.75 - $12.52
Q4 2017	155,501	$1,868	$11.84	$8.53 - $16.49